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首页> 外文期刊>Canadian Journal of Zoology >Soil temperature, rock selection, and the thermal ecology of the amphisbaenian reptile Blanus cinereus
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Soil temperature, rock selection, and the thermal ecology of the amphisbaenian reptile Blanus cinereus

机译：两栖动物爬行动物Blanus cinereus的土壤温度，岩石选择和热生态

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摘要

We studied the thermal ecology of the amphisbaenian reptile Blanus cinereus in central Spain, focusing on the relationship between the available underground thermal environment and the thermal biology of B, cinereus. We specifically examined which soil microhabitats might be used by amphisbaenians, given thermal preferences measured in the laboratory, in relation to daily substrate-temperature cycles. We also examined whether actual rock use is related to thermoregulatory behaviour. Soil-temperature cycles suggest that behavioural selection of low temperatures enables B. cinereus to maximize its activity period and activity area within its preferred body-temperature range. An amphisbaenian moving between the surface and 10 cm depth in sun-exposed soil could maintain its body temperature within the preferred range for 8 consecutive hours. Amphisbaenians selected rocks of intermediate thickness (10-20 cm) as temporary heating stations, but used rocks of different thicknesses at different times of day. In spring, during daylight hours B. cinereus can attain preferred body temperatures in superficial soil layers and maintain them for long periods, presumably at low cost, allowing them to forage where food is most abundant. [References: 35]
机译：我们研究了西班牙中部两栖类爬行动物Blanus cinereus的热生态学，重点研究了地下可利用的热环境与B cinereus的热生物学之间的关系。考虑到实验室中相对于每日底物温度周期的热偏好，我们专门研究了两栖动物可能使用的土壤微生境。我们还检查了实际使用的岩石是否与温度调节行为有关。土壤温度循环表明，低温的行为选择使灰葡萄双歧杆菌能够在其优选的体温范围内最大化其活动时间和活动面积。在暴露于阳光下的土壤中，在表面和10厘米深度之间移动的两栖类可以连续8小时将其体温维持在优选范围内。两栖动物选择了中等厚度（10-20厘米）的岩石作为临时加热站，但在一天的不同时间使用了不同厚度的岩石。在春季，在白天，灰葡萄双歧杆菌可以在表层土壤中达到理想的体温，并且可以长期维持它们，大概成本很低，从而使它们能够在食物最丰富的地方觅食。 [参考：35]

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